torsion bars

For any New members to the site or visitors curious about the fabled "poor man's lift", I found this great little video on Youtube which gives you just about all the information you need to perform a t-bar lift in your driveway. This is not my video, and all credit goes to the creator...

Hi guys, I was snooping around on a couple of 4wd parts sites and came across something called a "torsion bar kit". To me, it appears to be just a new torsion bar "key" or end point, much like what we already have on the H2's and H3's. Here is what I am wondering: What do these "reindexing" keys...